The album is great. Download it here and check it out. Free the grey album! I think if you have or buy both albums already, black and white, you should be able to hear the grey. Grey Tuesday is in support of the Grey Album. Also look at EMI's C&D on Grey Tuesday.
(ps, I had wanted to host it but having just changed hosters, have not figured out how to get it up there on the new stuff, but if I do, I'll update....)
Update: as noted in the comments the link to the Grey Album was shut down Tuesday night.